This article discusses how to go about troubleshooting both interfaces and cabling in your networks ranging from mismatches to using the OSI model.

This article discusses various cable types ranging from the standard copper cables, serial cables and fibre-optic cables. It also discusses PoE.

This article talks about the differences between on-premises and using cloud services and various cloud models such as Saas, IaaS and PaaS.

This article gives a brief overview of some of the most common networking models and topologies including Cisco three-tier and spine-leaf topology.

This article describes common networking devices that you will see in the wild and how they work including bridges, switches, WAPs and routers.

This article simply describes the different OSI model layers and what their function is and gives examples of devices and protocols used